Need Help! Who has experience using credit card machines?

Discussion in 'General Chat' started by davesmith, Mar 9, 2013.

  1. davesmith

    davesmith Affiliate Vendor Affiliate Vendor

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    I am using an Ingenico EFT930G, I keep getting an error message saying BAD MAC, then it says TRANSACTION VOID.

    This is after putting in the correct PIN and there is money on the card.

    This is urgent!!!


    Thanks.
     


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